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Active Steering Assist
▌Function of Active Steering Assist
Active Steering Assist is only available up to a
speed of 210 km/h. The system helps you stay in
the centre of the lane by using moderate steering
interventions. Active Steering Assist uses the
vehicles ahead and lane markings as a reference
depending on the speed driven.
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Depending on the country, Active Steering
Assist can use the surrounding traffic in the
lower speed range as a reference. Active
Steering Assist can also assist the centre of
the lane if necessary.
If the detection of lane markings and vehicles
ahead is impaired, Active Steering Assist switches
to passive mode. The system provides no support
in this case.
Permanent status display in the driver's display
Ø Grey: activated and passive
Ø Green: activated and active
Ø Red, flashing: prompt the driver to confirm
or transition from active to passive status
actively, system limit detected
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The Ø symbol is enlarged and flashing dur-
ing the transition from active to inactive sta-
tus. Once the system is passive, the Ø
symbol is shown as grey in the driver's dis-
play.
Contact detection
The driver is required to keep their hands on the
steering wheel at all times and be able to inter-
vene at any time to correct the course of the vehi-
cle and keep it in the lane. The driver must expect
a change from active to passive mode or vice
versa.
If the system detects that the driver has not
steered the vehicle for a considerable time or
F232 0017 02
Driving and parking 285
removed their hands from the steering wheel, an
optical warning is given first. Display
in the driver's display. If the driver still does not
steer the vehicle or gives no confirmation to the
system, a warning tone sounds in addition to the
visual warning message.
An emergency stop is initiated if the driver does
not react to this warning for a considerable period
(
page 287).
/
The warning is not issued or is stopped as soon as
the system detects that the driver has touched
the steering wheel.
The touch detection may be limited or without
function if there is no direct contact between the
hand and the steering wheel, e.g. when wearing
gloves or if there is a steering wheel cover on the
steering wheel.
If Active Steering Assist detects that a system
limit has been reached, a visual warning is issued,
and a warning tone sounds.
Observe the notes on driving systems and your
responsibility; you may otherwise fail to recognise
dangers (
page 262).
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